建成

• Pinyin: jiàn chéng
• Hanzi breakdown: 建 = 廴 + 聿 — to construct purposefully; 成 = 戊 (weapon, axe) + 丁 (nail/person) — to complete, accomplish

Meaning

To complete construction; to finish building. Indicates that a building project or structure has been successfully finished.

建成 is a resultative verb compound where 建 (to build) is completed by 成 (to succeed, to finish). It is used to announce the completion of a construction project, whether a building, bridge, road, or facility. Common in news, official announcements, and planning documents. Often used with time expressions: 三年后建成 (completed in three years).

Examples

1. 新图书馆已经建成，下个月正式开放。 The new library has been completed and will officially open next month.
2. 这座大桥花了五年时间才建成。 This bridge took five years to complete.
3. 学校的体育馆终于建成了，同学们都很高兴。 The school gymnasium has finally been built, and the students are all very happy.

Usage Guide

Context: construction, news, planning, official

Tone: factual

Do Say

• 新车站预计明年建成。(The new station is expected to be completed next year.)
• 这个项目终于建成了。(This project has finally been completed.)

Don't Say

• 我把蛋糕建成了。(Don't use 建成 for making food or everyday objects — it applies to construction projects. Use 做好了 for food or crafts.)

Origin & History

Resultative compound of 建 (to build, construct) and 成 (to complete, to succeed). The 成 suffix functions as a resultative complement indicating successful completion of the action.

Cultural Context

Generation: All ages

Social background: Universal